EP1571057B1 - Windshield wiper arm for automotive vehicles - Google Patents

Windshield wiper arm for automotive vehicles Download PDF

Info

Publication number
EP1571057B1
EP1571057B1 EP04380293A EP04380293A EP1571057B1 EP 1571057 B1 EP1571057 B1 EP 1571057B1 EP 04380293 A EP04380293 A EP 04380293A EP 04380293 A EP04380293 A EP 04380293A EP 1571057 B1 EP1571057 B1 EP 1571057B1
Authority
EP
European Patent Office
Prior art keywords
pillar
arm
windshield
windshield wiper
wiper
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP04380293A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1571057A1 (en
Inventor
Juan De Dios Escribano Felguera
Jean-Christophe Jund
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SEAT SA
Original Assignee
SEAT SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SEAT SA filed Critical SEAT SA
Publication of EP1571057A1 publication Critical patent/EP1571057A1/en
Application granted granted Critical
Publication of EP1571057B1 publication Critical patent/EP1571057B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
    • B60S1/34—Wiper arms; Mountings therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/0452—Position of the wipers relative to the vehicle
    • B60S1/0458—Arrangement wherein the windscreen frame cooperates with the wipers
    • B60S1/0461—Arrangement of the side pillars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
    • B60S1/34—Wiper arms; Mountings therefor
    • B60S1/3425—Constructional aspects of the arm
    • B60S1/3429—Arm pieces

Definitions

  • the present invention refers to a frontal body of a vehicle comprising a windshield wiper arm for automotive vehicles which in its resting position abuts against the adjacent pillar and comprises a frame which is hinged at one of its ends to a base for connecting to the shaft of a drive motor and serves as a support for a cleaning wiper.
  • the main drawback of this arrangement of the windshield wiper arms is the difficulty in keeping them in a position parallel to the pillars limiting the windshield when said arms are at a standstill in the resting position, a situation in which both the clearance between the arm and drip rail profile and the contact area between these components must be effectively controlled.
  • the present invention has as an object a windshield wiper arm constituted such that it eliminates the drawbacks set forth and allows achieving a correct positioning of the arm when it is in its standstill position, parallel to the pillar, maintaining a single and valid clearance between the arm and pillar.
  • the frame of the windshield wiper arm is constituted of a grooved profile and is hinged at one end to the base for connecting to the shaft of the drive motor, according to a shaft perpendicular to the shaft of said motor, and houses the cleaning wiper-blade along the length thereof.
  • this profile has at least one projection of convex curved surface, projecting with regard to the outer surface of said wall, through the projection of which the profile rests on the pillar when it is in its resting position.
  • the projection of convex curved surface projects with regard to the outer surface of the wall of the grooved profile in a portion which will demarcate the spacing between the grooved profile and the pillar in the standstill position of the windshield wiper.
  • this projection of convex curved surface for example of a spherical surface, will enable that when the windshield wiper is lowered against the window after the replacement of the wipers, the contact surface with the pillar is kept controlled, and since the projection has a spherical shape, it will allow the arm to slide over the drip rail profile, returning to its exact standstill position of resting on the window of the vehicle abutting against the corresponding pillar.
  • a prestressed assembly thereof is resorted to. That is, when the windshield wiper is at a standstill, it is not at a complete resting, but rather is actually exerting a small force on the drip rail profile of the pillar.
  • the user of a vehicle prepares to replace the used wiper-blade in the windshield wiper arm, he must exert a small force to separate the arm from the window and exchange the used wiper-blade for a new one, subsequently allowing the arm to drop on the window, the position of the arm being ensured thanks to the prestressing of its assembly and the existence of the projection of the frame defining the member for resting of said arm against the pillar.
  • the assembly of the windshield wiper arm in the vehicle can be carried out in a garage or on an assembly line aided by means of a jig defining the correct position for achieving the desired prestressing.
  • the prestressing situation will be obtained by providing the threading for fixing the arm to the shaft of the motor with the direction opposite to the displacement produced by the recovery of the position of the elastic members of said arm, and this is achieved by adapting the direction of the thread of the shaft where the windshield wiper arm unit is fixed.
  • a windshield wiper arm including a base 1 for fixing to the shaft of the drive motor, a frame 2, a return spring 3 and a cleaning wiper, is shown.
  • the frame 2 of the arm is constituted of a grooved profile, as can be seen best in Figure 3, which is hinged at one end to the base 1 by means of a shaft 5 which is perpendicular to the shaft of the motor to which the windshield wiper is connected.
  • the cleaning wiper-blade 4 of a constitution known in itself, runs along the inside this grooved profile 2.
  • the grooved profile 2 has on the wall 6 which is brought to face the corresponding pillar 7 of the windshield wiper, a projection 8 of convex curved surface, for example of a spherical surface, which as can be seen best in Figure 3, projects with regard to the outer surface of the wall 6.
  • This projection or protuberance 8 constitutes the means for resting of the frame 2 and therefore of the windshield wiper on the drip rail profile 9 of the pillar 7, ensuring that the rest of the wall 6 of the profile 2 runs in a position parallel to the profile 9 of the pillar 7 with a certain spacing therebetween.
  • the windshield wiper is assembled on the shaft of the drive motor with a slight prestressing situation.
  • the wall 6 of the grooved profile, faceable to the adjacent pillar can have more than one projection or protuberance 8 along the length thereof.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)
  • Window Of Vehicle (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Seal Device For Vehicle (AREA)
EP04380293A 2004-03-04 2004-12-30 Windshield wiper arm for automotive vehicles Not-in-force EP1571057B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES200400531U 2004-03-04
ES200400531U ES1056971Y (es) 2004-03-04 2004-03-04 Brazo limpiaparabrisas para vehiculos automoviles.

Publications (2)

Publication Number Publication Date
EP1571057A1 EP1571057A1 (en) 2005-09-07
EP1571057B1 true EP1571057B1 (en) 2008-01-02

Family

ID=32406048

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04380293A Not-in-force EP1571057B1 (en) 2004-03-04 2004-12-30 Windshield wiper arm for automotive vehicles

Country Status (4)

Country Link
EP (1) EP1571057B1 (es)
AT (1) ATE382517T1 (es)
DE (1) DE602004011013T2 (es)
ES (2) ES1056971Y (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2902391B1 (fr) * 2006-06-20 2009-04-03 Plastic Omnium Cie Absorbeur de chocs entre un pieton et un pare-brise de vehicule, ensemble d'un tel absorbeur et d'un pare-brise, cadre, ensemble d'un cadre et d'un pare-brise
DE102010050610B4 (de) 2010-11-05 2013-12-05 Daimler Ag Wischblatt für einen Scheibenwischer eines Kraftwagens und Scheibenanordnung für einen Kraftwagen
USD685712S1 (en) 2011-03-23 2013-07-09 Kcw Corporation Wiper

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5263759A (en) * 1991-10-18 1993-11-23 Donnelly Corporation Vehicular window assembly with wiper support
DE4405926C2 (de) * 1994-02-24 1996-06-13 Daimler Benz Ag Fahrzeugscheibenwischer
FR2785248B1 (fr) * 1998-10-28 2000-12-01 Valeo Systemes Dessuyage Bras d'essuie-glace conforme en deflecteur aerodynamique
DE19907390A1 (de) * 1999-02-20 2000-08-24 Bayerische Motoren Werke Ag Kraftfahrzeug mit Scheibenwischer
DE10109088B4 (de) * 2001-02-24 2016-10-06 Valeo Auto-Electric Wischer Und Motoren Gmbh Scheibenwischerarm-Wischblatt-Anordnung
DE10126258A1 (de) * 2001-05-29 2002-12-05 Bosch Gmbh Robert Wischerarm, insbesondere für eine Scheibenwischvorrichtung eines Kraftfahrzeugs

Also Published As

Publication number Publication date
ES1056971U (es) 2004-06-01
ATE382517T1 (de) 2008-01-15
DE602004011013D1 (de) 2008-02-14
EP1571057A1 (en) 2005-09-07
ES2297362T3 (es) 2008-05-01
DE602004011013T2 (de) 2008-12-24
ES1056971Y (es) 2004-09-16

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